digraph blackbox_v1 {
	splines = ortho;
	rankdir = LR;


	node [shape = box, label = "IceBreaker - Lattice ICE40"] fpga;
	node [shape = plaintext, label = "Bluetooth PMOD"] wireless_adapter;
	node [shape = plaintext, label = "ILI9341 SPI TFT LCD"] video;
	node [shape = plaintext, label = "1W 8Ohm Round Internal Magnet speaker"] audio;
	node [shape = box, label = "Phone Application"] app;
	

	fpga -> {audio, video};
	wireless_adapter -> fpga;
	app -> wireless_adapter;

}